How do you program a Toyota Highlander homelink to an overhead door model 4040l?
To program a Toyota Highlander Homelink to a Model 4040L garage door opener, first, ensure that your vehicle is parked within range of the garage door opener. Press and hold the desired Homelink button in your vehicle until the indicator light begins to flash slowly, then release. Next, press and hold the "learn" button on your garage door opener until the indicator light blinks. Finally, return to your vehicle and press and hold the Homelink button again until the garage door opens or closes, confirming successful programming.